

function submitForm() {
	if($("#all_trage_user").text() == ""){
		alert("请选择群发信息接收者！");
		return false;
	}
	var tem = '';
	$("#userInfo option").each(function(i, option){
	  tem += $(option).val() + '$';
	});
	$("#all_trage_user").val(tem);
	document.sendForm.submit();
}